LA CROSSE WATERWORKS

PWSID: WI6320309 · LA CROSSE, WI · Serving 53,000 people

Type: CWSOwner: LSource: GW

Settlement eligible

May qualify for 3M/DuPont settlement funds

Exceeds MCL

One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.

PFOA5.1 ppt(MCL: 4 ppt)

PFOS5.5 ppt(MCL: 4 ppt)

EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31

Exact contamination levels

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PFAS compounds detected

21 ppt

Highest single detection

Highest detection

Pro feature

2024-05-06

Latest sample date

complete

Data completeness

All PFAS detection results

Source: EPA UCMR5 (UCMR5) · 580 compounds tested

Contaminant	Result (ppt)	MCL (ppt)	Status	Sample date
PFMBA	ND	—	Below MRL	2023-11-15
9Cl-PF3ONS	ND	—	Below MRL	2023-05-24

578 more results hidden